OvmfPkg: Add QemuFlashFvbServicesRuntimeDxe driver
If QEMU flash is detected, this module will install FirmwareVolumeBlock support for the QEMU flash device. It will also set PCDs with the results that: 1. OvmfPkg/EmuVariableFvbRuntimeDxe will be disabled 2. MdeModulePkg variable services will read/write flash directly Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Acked-by: Laszlo Ersek <lersek@redhat.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14839 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
184
OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockService.h
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184
OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockService.h
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/**@file
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Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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FwBlockService.h
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Abstract:
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Firmware volume block driver for Intel Firmware Hub (FWH) device
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**/
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#ifndef _FW_BLOCK_SERVICE_H
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#define _FW_BLOCK_SERVICE_H
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//
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// BugBug: Add documentation here for data structure!!!!
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//
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#define FVB_PHYSICAL 0
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#define FVB_VIRTUAL 1
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typedef struct {
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EFI_LOCK FvbDevLock;
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UINTN FvBase[2];
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UINTN NumOfBlocks;
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EFI_FIRMWARE_VOLUME_HEADER VolumeHeader;
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} EFI_FW_VOL_INSTANCE;
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typedef struct {
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UINT32 NumFv;
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EFI_FW_VOL_INSTANCE *FvInstance[2];
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UINT8 *FvbScratchSpace[2];
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} ESAL_FWB_GLOBAL;
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//
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// Fvb Protocol instance data
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//
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#define FVB_DEVICE_FROM_THIS(a) CR (a, EFI_FW_VOL_BLOCK_DEVICE, FwVolBlockInstance, FVB_DEVICE_SIGNATURE)
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#define FVB_EXTEND_DEVICE_FROM_THIS(a) CR (a, EFI_FW_VOL_BLOCK_DEVICE, FvbExtension, FVB_DEVICE_SIGNATURE)
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#define FVB_DEVICE_SIGNATURE SIGNATURE_32 ('F', 'V', 'B', 'N')
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typedef struct {
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MEDIA_FW_VOL_DEVICE_PATH FvDevPath;
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EFI_DEVICE_PATH_PROTOCOL EndDevPath;
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} FV_PIWG_DEVICE_PATH;
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typedef struct {
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MEMMAP_DEVICE_PATH MemMapDevPath;
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EFI_DEVICE_PATH_PROTOCOL EndDevPath;
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} FV_MEMMAP_DEVICE_PATH;
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typedef struct {
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UINTN Signature;
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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UINTN Instance;
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EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL FwVolBlockInstance;
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} EFI_FW_VOL_BLOCK_DEVICE;
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EFI_STATUS
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GetFvbInfo (
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IN UINT64 FvLength,
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OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo
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);
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EFI_STATUS
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FvbSetVolumeAttributes (
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IN UINTN Instance,
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IN OUT EFI_FVB_ATTRIBUTES_2 *Attributes,
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IN ESAL_FWB_GLOBAL *Global,
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IN BOOLEAN Virtual
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);
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EFI_STATUS
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FvbGetVolumeAttributes (
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IN UINTN Instance,
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OUT EFI_FVB_ATTRIBUTES_2 *Attributes,
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IN ESAL_FWB_GLOBAL *Global,
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IN BOOLEAN Virtual
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);
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EFI_STATUS
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FvbGetPhysicalAddress (
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IN UINTN Instance,
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OUT EFI_PHYSICAL_ADDRESS *Address,
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IN ESAL_FWB_GLOBAL *Global,
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IN BOOLEAN Virtual
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);
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EFI_STATUS
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EFIAPI
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FvbInitialize (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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VOID
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EFIAPI
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FvbClassAddressChangeEvent (
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IN EFI_EVENT Event,
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IN VOID *Context
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);
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EFI_STATUS
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FvbGetLbaAddress (
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IN UINTN Instance,
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IN EFI_LBA Lba,
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OUT UINTN *LbaAddress,
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OUT UINTN *LbaLength,
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OUT UINTN *NumOfBlocks,
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IN ESAL_FWB_GLOBAL *Global,
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IN BOOLEAN Virtual
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);
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//
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// Protocol APIs
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//
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EFI_STATUS
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EFIAPI
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FvbProtocolGetAttributes (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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OUT EFI_FVB_ATTRIBUTES_2 *Attributes
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);
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EFI_STATUS
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EFIAPI
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FvbProtocolSetAttributes (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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IN OUT EFI_FVB_ATTRIBUTES_2 *Attributes
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);
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EFI_STATUS
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EFIAPI
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FvbProtocolGetPhysicalAddress (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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OUT EFI_PHYSICAL_ADDRESS *Address
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);
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EFI_STATUS
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EFIAPI
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FvbProtocolGetBlockSize (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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IN CONST EFI_LBA Lba,
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OUT UINTN *BlockSize,
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OUT UINTN *NumOfBlocks
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);
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EFI_STATUS
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EFIAPI
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FvbProtocolRead (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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IN CONST EFI_LBA Lba,
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IN CONST UINTN Offset,
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IN OUT UINTN *NumBytes,
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IN UINT8 *Buffer
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);
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EFI_STATUS
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EFIAPI
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FvbProtocolWrite (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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IN EFI_LBA Lba,
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IN UINTN Offset,
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IN OUT UINTN *NumBytes,
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IN UINT8 *Buffer
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);
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EFI_STATUS
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EFIAPI
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FvbProtocolEraseBlocks (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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...
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);
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#endif
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